下面的數(shù)據(jù)文件顯示了在美國匹茲堡大學(xué)30名MBA考生的信息。第一列給出身高(英寸),第二列給出MBA剛剛就業(yè)后的月收入(數(shù)據(jù)來源于華爾街日?qǐng)?bào),12月30日)
當(dāng)身高=65英寸,計(jì)算初始月收入是多少?解釋回歸系數(shù)的實(shí)際意義。您可能感興趣的試卷
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某廠某年職工勞動(dòng)生產(chǎn)率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
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A summary measure that is computed from a sample to describe a characteristic of the population is called()
變量數(shù)列中,各組頻率之和應(yīng)()
時(shí)間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
One advantage of a stem and leaf plot over a frequency distribution is that ().
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). The average number of absences per employee, calculated from the personnel data of all employees, is a ().
如果居民按報(bào)告期價(jià)格購買商品需多支出40萬元,報(bào)告期商品銷售額為200萬元,則價(jià)格指數(shù)為()